set of cover templates with delicate watercolor backgrounds in blue and green

wedding invitation watercolor romantic greeting card cover bride background groom couple blue love elegant anniversary celebration fashion abstract art brochure business date green marine water summer happy holiday identity illustration invite luxury minimal modern paint poster relationship romance save set template vector wallpaper templates delicate backgrounds for invitations parties cards covers posters branding social media other projects minimalist style line text font azure brand circle aqua diagram presentation pattern turquoise design purple textile document advertising violet